case *schema.CheckConstraint:
		return nil, c, table
	default:
		return nil, nil, table
	}
}

// GuessConstraintInterfaceAndTable guess statement's constraint and it's table based on name
// nolint:cyclop
func (m Migrator) GuessConstraintInterfaceAndTable(stmt *gorm.Statement, name string) (_ schema.ConstraintInterface, table string) {
	if stmt.Schema == nil {
		return nil, stmt.Table
	}

	}
	return names
}

// preloadEntryPoint enters layer by layer. It will call real preload if it finds the right entry point.
// If the current relationship is embedded or joined, current query will be ignored.
//
//nolint:cyclop
func preloadEntryPoint(db *gorm.DB, joins []string, relationships *schema.Relationships, preloads map[string][]interface{}, associationsConds []interface{}) error {
	preloadMap := parsePreloadMap(db.Statement.Schema, preloads)